https://www.theodysseyonline.com/full-watch-bloodshot-2020-full-movie-at-online-free-2645831296
https://www.theodysseyonline.com/full-watch-birds-of-prey-2020-full-movie-at-online-free-2645831295
https://www.theodysseyonline.com/full-watch-like-a-boss-2020-full-movie-at-online-free-2645831294
https://www.theodysseyonline.com/full-watch-escape-from-pretoria-2020-full-movie-at-online-free-2645831293
https://www.theodysseyonline.com/full-watch-underwater-2020-full-movie-at-online-free-2645831236
Объяснение:
C(дуги сектора)=R·α
R=4 C(дуги)=10
4·α=10
α=2,5
S(сектора)=R²·α/2=4²·2,5/2=20